“A History of the Brewing Industry in Scotland” by IanDonnachie, 1998, pages 147-148.

Brewers' Almanack 1928

“A History of the Brewing Industry in Scotland” by IanDonnachie, 1998, pages 147-148.

The industries of Scotland: their rise, progress, and present condition by David Bremner, 1869, pages 437 - 438,

My apologies for the missing numbers. Some are proving tricky to track down. The ones that are there do tell a story. Basically that Scottish brewers were exporting proportionally about twice as much beer as their English colleagues.